Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung hoi phu snippets" » "duong hoi phu snippets", "dung hoai phu snippets", "dung thoi phu snippets", "dung hoi chu snippets", "dung hai phu snippets", "dung hoa phu snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung hoi phu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hoi phu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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